JPS626215B2 - - Google Patents
Info
- Publication number
- JPS626215B2 JPS626215B2 JP55109656A JP10965680A JPS626215B2 JP S626215 B2 JPS626215 B2 JP S626215B2 JP 55109656 A JP55109656 A JP 55109656A JP 10965680 A JP10965680 A JP 10965680A JP S626215 B2 JPS626215 B2 JP S626215B2
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- output terminal
- inverting input
- terminal
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 239000004065 semiconductor Substances 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000005375 photometry Methods 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/18—Signals indicating condition of a camera member or suitability of light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Exposure Control For Cameras (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10965680A JPS5734531A (en) | 1980-08-09 | 1980-08-09 | Photometric device of camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10965680A JPS5734531A (en) | 1980-08-09 | 1980-08-09 | Photometric device of camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5734531A JPS5734531A (en) | 1982-02-24 |
| JPS626215B2 true JPS626215B2 (enrdf_load_html_response) | 1987-02-09 |
Family
ID=14515812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10965680A Granted JPS5734531A (en) | 1980-08-09 | 1980-08-09 | Photometric device of camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5734531A (enrdf_load_html_response) |
-
1980
- 1980-08-09 JP JP10965680A patent/JPS5734531A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5734531A (en) | 1982-02-24 |